A Low-Power CMOS Linear-in-Decibel Variable Gain Amplifier With Programmable Bandwidth and Stable Group Delay
This brief presents a new circuit architecture for linear-in-decibel, constant-bandwidth variable gain amplifier (VGA). To obtain high linearity under low-voltage operation, this VGA is a closed-loop structure. In loop amplifier design, two techniques are applied: first, the loop amplifier is given...
Gespeichert in:
| Veröffentlicht in: | IEEE transactions on circuits and systems. 2, Analog and digital signal processing Analog and digital signal processing, 2006-12, Vol.53 (12), p.1436-1440 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 1440 |
|---|---|
| container_issue | 12 |
| container_start_page | 1436 |
| container_title | IEEE transactions on circuits and systems. 2, Analog and digital signal processing |
| container_volume | 53 |
| creator | Tsou, S.-C. Chin-Fu Li Po-Chiun Huang |
| description | This brief presents a new circuit architecture for linear-in-decibel, constant-bandwidth variable gain amplifier (VGA). To obtain high linearity under low-voltage operation, this VGA is a closed-loop structure. In loop amplifier design, two techniques are applied: first, the loop amplifier is given finite input impedance. This arrangement keeps the VGA bandwidth constant under different gain setting. Second, a current-buffered compensation is applied for loop stability. Compared to the Miller compensation, this method achieves wider bandwidth. The prototype chip using 0.18-mum CMOS technology demonstrates that -10- to 20-dB gain and 0.5- to 30-MHz bandwidth can be programmed independently. The group delay difference within 30-dB gain control range is smaller than 1%. The total circuit dissipates 1.35 mA from a 1.8-V supply |
| doi_str_mv | 10.1109/TCSII.2006.885399 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_RIE</sourceid><recordid>TN_cdi_proquest_journals_912140376</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><ieee_id>4033171</ieee_id><sourcerecordid>889422555</sourcerecordid><originalsourceid>FETCH-LOGICAL-c324t-db86ee41ad038dc6ade743b2c08e7f85a16779acbd49b2d7dc4ff328bfa4866e3</originalsourceid><addsrcrecordid>eNpdkE1Lw0AQhoMoWKs_QLwsXjyl7leyu8faai1EWmjV47LJTnRLvty0lP57UyMePM3L8LzD8ATBNcEjQrC6X09W8_mIYhyPpIyYUifBgESRDJlQ5PSYuQqF4OI8uGjbDcZUYUYHQTlGSb0Pl_UePJq8LFYocRUYH7oqnELmUijQm_HOpAWgmXEVGpdN4XLX4e9u-4mWvv7wpix_gAdT2b2z3boLaLXtW77eNWgKhTlcBme5KVq4-p3D4PXpcT15DpPFbD4ZJ2HGKN-GNpUxACfGYiZtFhsLgrOUZliCyGVkSCyEMllquUqpFTbjec6oTHPDZRwDGwZ3_d3G1187aLe6dG0GRWEqqHetllJxSqMo6sjbf-Sm3vmqe04rQgnHTMQdRHoo83Xbesh1411p_EETrI_69Y9-fdSve_1d56bvOAD447t7jAjCvgHOtIEG</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>912140376</pqid></control><display><type>article</type><title>A Low-Power CMOS Linear-in-Decibel Variable Gain Amplifier With Programmable Bandwidth and Stable Group Delay</title><source>IEEE Electronic Library (IEL)</source><creator>Tsou, S.-C. ; Chin-Fu Li ; Po-Chiun Huang</creator><creatorcontrib>Tsou, S.-C. ; Chin-Fu Li ; Po-Chiun Huang</creatorcontrib><description>This brief presents a new circuit architecture for linear-in-decibel, constant-bandwidth variable gain amplifier (VGA). To obtain high linearity under low-voltage operation, this VGA is a closed-loop structure. In loop amplifier design, two techniques are applied: first, the loop amplifier is given finite input impedance. This arrangement keeps the VGA bandwidth constant under different gain setting. Second, a current-buffered compensation is applied for loop stability. Compared to the Miller compensation, this method achieves wider bandwidth. The prototype chip using 0.18-mum CMOS technology demonstrates that -10- to 20-dB gain and 0.5- to 30-MHz bandwidth can be programmed independently. The group delay difference within 30-dB gain control range is smaller than 1%. The total circuit dissipates 1.35 mA from a 1.8-V supply</description><identifier>ISSN: 1549-7747</identifier><identifier>ISSN: 1057-7130</identifier><identifier>EISSN: 1558-3791</identifier><identifier>DOI: 10.1109/TCSII.2006.885399</identifier><identifier>CODEN: ICSPE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amplification ; Amplifiers ; Bandwidth ; Circuit stability ; Circuit topology ; Circuits ; CMOS integrated circuit ; CMOS technology ; Compensation ; Delay ; Gain ; Gain control ; Group delay ; Impedance ; Integrated circuit technology ; linear-in-decibel variable gain amplifier (VGA) ; Linearity ; Prototypes ; Variable gain</subject><ispartof>IEEE transactions on circuits and systems. 2, Analog and digital signal processing, 2006-12, Vol.53 (12), p.1436-1440</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c324t-db86ee41ad038dc6ade743b2c08e7f85a16779acbd49b2d7dc4ff328bfa4866e3</citedby><cites>FETCH-LOGICAL-c324t-db86ee41ad038dc6ade743b2c08e7f85a16779acbd49b2d7dc4ff328bfa4866e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4033171$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4033171$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Tsou, S.-C.</creatorcontrib><creatorcontrib>Chin-Fu Li</creatorcontrib><creatorcontrib>Po-Chiun Huang</creatorcontrib><title>A Low-Power CMOS Linear-in-Decibel Variable Gain Amplifier With Programmable Bandwidth and Stable Group Delay</title><title>IEEE transactions on circuits and systems. 2, Analog and digital signal processing</title><addtitle>TCSII</addtitle><description>This brief presents a new circuit architecture for linear-in-decibel, constant-bandwidth variable gain amplifier (VGA). To obtain high linearity under low-voltage operation, this VGA is a closed-loop structure. In loop amplifier design, two techniques are applied: first, the loop amplifier is given finite input impedance. This arrangement keeps the VGA bandwidth constant under different gain setting. Second, a current-buffered compensation is applied for loop stability. Compared to the Miller compensation, this method achieves wider bandwidth. The prototype chip using 0.18-mum CMOS technology demonstrates that -10- to 20-dB gain and 0.5- to 30-MHz bandwidth can be programmed independently. The group delay difference within 30-dB gain control range is smaller than 1%. The total circuit dissipates 1.35 mA from a 1.8-V supply</description><subject>Amplification</subject><subject>Amplifiers</subject><subject>Bandwidth</subject><subject>Circuit stability</subject><subject>Circuit topology</subject><subject>Circuits</subject><subject>CMOS integrated circuit</subject><subject>CMOS technology</subject><subject>Compensation</subject><subject>Delay</subject><subject>Gain</subject><subject>Gain control</subject><subject>Group delay</subject><subject>Impedance</subject><subject>Integrated circuit technology</subject><subject>linear-in-decibel variable gain amplifier (VGA)</subject><subject>Linearity</subject><subject>Prototypes</subject><subject>Variable gain</subject><issn>1549-7747</issn><issn>1057-7130</issn><issn>1558-3791</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1Lw0AQhoMoWKs_QLwsXjyl7leyu8faai1EWmjV47LJTnRLvty0lP57UyMePM3L8LzD8ATBNcEjQrC6X09W8_mIYhyPpIyYUifBgESRDJlQ5PSYuQqF4OI8uGjbDcZUYUYHQTlGSb0Pl_UePJq8LFYocRUYH7oqnELmUijQm_HOpAWgmXEVGpdN4XLX4e9u-4mWvv7wpix_gAdT2b2z3boLaLXtW77eNWgKhTlcBme5KVq4-p3D4PXpcT15DpPFbD4ZJ2HGKN-GNpUxACfGYiZtFhsLgrOUZliCyGVkSCyEMllquUqpFTbjec6oTHPDZRwDGwZ3_d3G1187aLe6dG0GRWEqqHetllJxSqMo6sjbf-Sm3vmqe04rQgnHTMQdRHoo83Xbesh1411p_EETrI_69Y9-fdSve_1d56bvOAD447t7jAjCvgHOtIEG</recordid><startdate>20061201</startdate><enddate>20061201</enddate><creator>Tsou, S.-C.</creator><creator>Chin-Fu Li</creator><creator>Po-Chiun Huang</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20061201</creationdate><title>A Low-Power CMOS Linear-in-Decibel Variable Gain Amplifier With Programmable Bandwidth and Stable Group Delay</title><author>Tsou, S.-C. ; Chin-Fu Li ; Po-Chiun Huang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c324t-db86ee41ad038dc6ade743b2c08e7f85a16779acbd49b2d7dc4ff328bfa4866e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Amplification</topic><topic>Amplifiers</topic><topic>Bandwidth</topic><topic>Circuit stability</topic><topic>Circuit topology</topic><topic>Circuits</topic><topic>CMOS integrated circuit</topic><topic>CMOS technology</topic><topic>Compensation</topic><topic>Delay</topic><topic>Gain</topic><topic>Gain control</topic><topic>Group delay</topic><topic>Impedance</topic><topic>Integrated circuit technology</topic><topic>linear-in-decibel variable gain amplifier (VGA)</topic><topic>Linearity</topic><topic>Prototypes</topic><topic>Variable gain</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tsou, S.-C.</creatorcontrib><creatorcontrib>Chin-Fu Li</creatorcontrib><creatorcontrib>Po-Chiun Huang</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on circuits and systems. 2, Analog and digital signal processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Tsou, S.-C.</au><au>Chin-Fu Li</au><au>Po-Chiun Huang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Low-Power CMOS Linear-in-Decibel Variable Gain Amplifier With Programmable Bandwidth and Stable Group Delay</atitle><jtitle>IEEE transactions on circuits and systems. 2, Analog and digital signal processing</jtitle><stitle>TCSII</stitle><date>2006-12-01</date><risdate>2006</risdate><volume>53</volume><issue>12</issue><spage>1436</spage><epage>1440</epage><pages>1436-1440</pages><issn>1549-7747</issn><issn>1057-7130</issn><eissn>1558-3791</eissn><coden>ICSPE5</coden><abstract>This brief presents a new circuit architecture for linear-in-decibel, constant-bandwidth variable gain amplifier (VGA). To obtain high linearity under low-voltage operation, this VGA is a closed-loop structure. In loop amplifier design, two techniques are applied: first, the loop amplifier is given finite input impedance. This arrangement keeps the VGA bandwidth constant under different gain setting. Second, a current-buffered compensation is applied for loop stability. Compared to the Miller compensation, this method achieves wider bandwidth. The prototype chip using 0.18-mum CMOS technology demonstrates that -10- to 20-dB gain and 0.5- to 30-MHz bandwidth can be programmed independently. The group delay difference within 30-dB gain control range is smaller than 1%. The total circuit dissipates 1.35 mA from a 1.8-V supply</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TCSII.2006.885399</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | ISSN: 1549-7747 |
| ispartof | IEEE transactions on circuits and systems. 2, Analog and digital signal processing, 2006-12, Vol.53 (12), p.1436-1440 |
| issn | 1549-7747 1057-7130 1558-3791 |
| language | eng |
| recordid | cdi_proquest_journals_912140376 |
| source | IEEE Electronic Library (IEL) |
| subjects | Amplification Amplifiers Bandwidth Circuit stability Circuit topology Circuits CMOS integrated circuit CMOS technology Compensation Delay Gain Gain control Group delay Impedance Integrated circuit technology linear-in-decibel variable gain amplifier (VGA) Linearity Prototypes Variable gain |
| title | A Low-Power CMOS Linear-in-Decibel Variable Gain Amplifier With Programmable Bandwidth and Stable Group Delay |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-04T00%3A53%3A07IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_RIE&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=A%20Low-Power%20CMOS%20Linear-in-Decibel%20Variable%20Gain%20Amplifier%20With%20Programmable%20Bandwidth%20and%20Stable%20Group%20Delay&rft.jtitle=IEEE%20transactions%20on%20circuits%20and%20systems.%202,%20Analog%20and%20digital%20signal%20processing&rft.au=Tsou,%20S.-C.&rft.date=2006-12-01&rft.volume=53&rft.issue=12&rft.spage=1436&rft.epage=1440&rft.pages=1436-1440&rft.issn=1549-7747&rft.eissn=1558-3791&rft.coden=ICSPE5&rft_id=info:doi/10.1109/TCSII.2006.885399&rft_dat=%3Cproquest_RIE%3E889422555%3C/proquest_RIE%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=912140376&rft_id=info:pmid/&rft_ieee_id=4033171&rfr_iscdi=true |